Endangered African penguin chicks hatch at Arizona aquarium

An Arizona aquarium is celebrating the hatching of three endangered African penguin chicks, saying the tiny additions are genetically valuable as zoos and aquariums around the world work to ensure the species' survival through ...

Israeli technology aims to curb male chick culling

Israeli scientists have created egg-laying hens that only produce females, a breakthrough that could help end the annual culling of around seven billion male chicks globally.

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